C479 Old Monster

"What's in there?"

Ji Yun's body trembled as soon as he said those words. He revealed a look of disbelief.

At this moment, he felt a familiar aura coming from the valley.

It was the source energy of the sword attribute!

But very quickly, that aura immersed itself, as if it had never appeared.

"There's actually sword attribute origin energy here?!"

Ji Yun couldn't believe it